A53
Non-billableOther and unspecified syphilis
Other and unspecified syphilis
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- diseases generally recognized as communicable or transmissible
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- certain localized infections - see body system-related chapters
- •nonspecific and nongonococcal urethritisN34.1
- •Reiter's diseaseM02.3
Excludes 2
Conditions not included here, but the patient may have both
- •carrier or suspected carrier of infectious diseaseZ22
- •infectious and parasitic diseases complicating pregnancy, childbirth and the puerperiumO98
- •infectious and parasitic diseases specific to the perinatal periodP35-P39
- •influenza and other acute respiratory infectionsJ00-J22
- •human immunodeficiency virus [HIV] diseaseB20
Use Additional Code
Additional codes that should follow this code
Child Codes (2)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(1)
Frequently Asked Questions
What is the ICD-10 code for other and unspecified syphilis?
The ICD-10-CM code for other and unspecified syphilis is A53. The full clinical description is "Other and unspecified syphilis". A53 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code A53 mean?
ICD-10-CM code A53 represents “Other and unspecified syphilis”. It is classified under Chapter 1: Certain Infectious and Parasitic Diseases and is a non-billable header code. Use a more specific child code for billing purposes.
Is A53 a billable code?
No, A53 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under A53.
What chapter is A53 in?
A53 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with A53?
A53 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters; nonspecific and nongonococcal urethritis (N34.1); Reiter's disease (M02.3-).
What are the subcategories under A53?
A53 has 2 child codes, including: A53.0 (Latent syphilis, unspecified as early or late), A53.9 (Syphilis, unspecified).
Are additional codes required with A53?
Yes, when using A53, also report: resistance to antimicrobial drugs (Z16.-).
What are the UMLS CUIs for A53?
A53 is linked to 1 UMLS Concept Unique Identifier: C0558995. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does A53 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other and unspecified syphilis affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of A53?
A53 maps to the ICD-11 code: 1A6Z (Syphilis, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.